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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package javax.crypto;

/**
 * The {@code NullCipher} class is a class that provides an
 * "identity cipher" -- one that does not transform the plain text.  As
 * a consequence, the ciphertext is identical to the plaintext.  All
 * initialization methods do nothing, while the blocksize is set to 1
 * byte.  Unlike other ciphers, the {@code NullCipher} has no state, and
 * will never throw an {@code IllegalStateException} when {@code Cipher}
 * methods are called.
 *
 * @author  Li Gong
 * @since 1.4
 */

public class NullCipher extends Cipher {

    /**
     * Creates a {@code NullCipher} object.
     */
    public NullCipher() {
        super(new NullCipherSpi(), null);
    }
}
